How Does A Stub Axle Work?

What is the used of stub axle?

A stub axle or stud axle is either one of two front axles in a rear wheel drive vehicle, or one of the two rear axles in a front wheel drive vehicle. In a rear wheel drive vehicle this axle is capable of angular movement about the kingpin for steering the vehicle.

Which is the most common type of stub axle?

As The Engineers Post explains, there are four types of stub axle: Elliot: This type uses a kingpin, a yoke, and a cotter to connect to the front axle. Reverse Elliot: This type has the opposite arrangement of a standard Elliot stub axle. Lamoine: This stub axle type has an L-shaped spindle instead of a yoke- type hinge.

What are stub axles made from?

For maximum strength to weight ratio, a stub axle needs to be forged from steel. Forging will allow the stretched fibres in the steel to follow the lines that will carry load when in operation. You could start with a short round bar. Upset or spread one end to make the flange, while thinning and lengthening the shaft.

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What is a stub shaft?

These bearing supported stub shafts allow side-load to the back of an engine while simultaneously preventing any load transmission back to the crankshaft. Many industrial engines do not allow side loads on their engine crank shafts (pulley applications) but this is a suitable solution to a common problem.

How does a front axle work?

Modern front -wheel drive cars typically combine the transmission (gearbox and differential) and front axle into a single unit called a transaxle. Each half axle connects to the wheel by use of a constant velocity (CV) joint which allows the wheel assembly to move freely vertically as well as to pivot when making turns.

How do you weld a stub axle?

Tack weld through the plug weld holes to secure the back end of the stub axle. Set your welder up so that you can lay a good hot penetrating weld (practice on some scrap steel) and fully weld around the stub axle and axle tube. Fill the plug weld holes up until the weld is flush with the top of the axle tube.

What causes a broken axle?

A vehicle does not get far, or anywhere if it has a damaged drive axle. Axles are rods or shafts that connect to the drive wheels. Even though axles are built to be tough, an overloaded vehicle can sometimes crack or break an axle. Bad carrier bearings or bad potholes are other common causes of axle problems.

Does a car have 2 or 4 axles?

Most cars or standard cars have four axles or two sets of axles, which helps in rotating the wheel. A simple way to see just how many axles a car has is to look at it from the side and then count the number of wheels it has. Most cars have four tires or two sets of tires, with one in the front and then in the rear.

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What is a 4 axle vehicle?

Now for a 4 axle vehicle, is a vehicle with 4 axles. The examples would be a Tri-drive highway tractor which is used for oversize loads, a dump truck that has a lift axle, or a concrete mixer which has two steer axles and two drive axles.

What are the types of front axle?

There is two types of front axles: (a) Dead front axle, and (b) Line front axle. Dead axles are those axles, which donet rotate. These axles have sufficient rigidity and strength to take the weight. The ends of front axle are suitably designed to accommodate stub axles.

What is axle drop in a front axle?

A dropped axle is a straight front axle that has been altered or built to drop a vehicle’s ride height. This makes the vehicle sit lower and places the front suspension nearer to the ground.

What is the type of section in the end of the front axle?

The front axle uses to carry the weight of the front part of the vehicle as well as to facilitate steering and absorb shocks due to road surface variations. It is made of I- section in center position while the ends are made either circular or elliptical with the construction.

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